package lab02.test27;

import java.util.InputMismatchException;
import java.util.Scanner;

/**
 * Created by lenovo on 2017/11/2.
 */
public class Test {
    public static void main(String[] args) {
        int a=0;
        //从键盘输入一个整数
        Scanner scanner=new Scanner(System.in);
        System.out.println("please input an int:");
        try {
            a = scanner.nextInt();
        }catch (InputMismatchException e){
            System.out.println("类型不匹配！！！");

        }finally {
            System.out.println("a="+a);
        }
/*
* 1.哪些代码可能会出错？  try{}
* 2.会出什么错？          catch()
 * 3.出错了怎么处理？     catch{}
 */
    }
}
